Coupled production of two esters

Details Coupled production of two esters Coupled production of two esters

C - Chemistry, Metallurgy

07

C

C07C 67/54 (2006.01) C07C 69/14 (2006.01)

Patent

CA 2421277

The invention relates to a method for the coupled production of two esters by reacting a mixture of aliphatic alcohols with an aliphatic carboxylic acid and then treating the resulting mixture by distillation. During the distillation process, a side flow that is taken from the distillation column that is connected downstream of the esterification reactor is fed back into said esterification reactor. The pure ester compounds are obtained from the bottom of the distillation columns that are connected downstream of the esterification reactor.

Procédé de production couplée de deux esters, qui consiste à mettre en réaction un mélange d'alcools aliphatiques avec un acide carboxylique aliphatique, puis à traiter ensuite le mélange obtenu par distillation, l'un des flux latéraux prélevés dans la colonne de distillation montée en aval du réacteur d'estérification étant renvoyé dans le réacteur d'estérification. Les composés ester purs sont récupérés par le fond des colonnes de distillation montées en aval du réacteur d'estérification.

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